Home / 489,384,407.30-675,365,097.60-301,321,195.43

Finding the Fourth Proportional to 489,384,407.30, 675,365,097.60 and 301,321,195.43

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Solution

The fourth proportional to 489,384,407.30, 675,365,097.60 and 301,321,195.43 is: 415,832,248.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,384,407.30 : 675,365,097.60 = 301,321,195.43 : x
  2. Step 2: Convert to fraction form
    489,384,407.30/675,365,097.60 = 301,321,195.43/x
  3. Step 3: Cross multiply
    489,384,407.30x = 675,365,097.60 × 301,321,195.43
  4. Step 4: Simplify right side
    489,384,407.30x = 203,501,818,557,153,824
  5. Step 5: Solve for x
    x = 203,501,818,557,153,824/489,384,407.30
  6. Step 6: Final answer
    x = 415,832,248.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.